Mrs. Nichols is a hotel guest who makes cameo appearances. In "I Like Beaver Butts and I Cannot Lie", she makes a cameo in the crowd when Snack Shack reveals the true origin of "Beaver Butts", counterfeit Beaver Tails. She's then seen seen being evacuated with the other guests and staff in "Clinging in the Rain". When a nervous Bummer wipes sweat off of his forehead, he accidentally snatches her bikini top, causing her to scream out of embarrassment as he realizes his mistake and strike him with her purse as he returns it. In "Dirty Little Secret, Nerdy Little Secrets", Reef comments that she looks "sick" when she indeed is sick as revealed when she vomits in a sandcastle.